linux_dsm_epyc7002/arch/arm64/boot/dts/renesas/salvator-x.dtsi
Laurent Pinchart b33be33670 arm64: dts: salvator-x: Add panel backlight support
The panel backlight is controlled through a GPIO and a PWM channel.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[simon: apply to salvator-x.dtsi instead of r8a7795-salvator-x.dts]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22 14:54:49 +02:00

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/*
* Device Tree Source for the Salvator-X board
*
* Copyright (C) 2015-2016 Renesas Electronics Corp.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
/*
* SSI-AK4613
*
* This command is required when Playback/Capture
*
* amixer set "DVC Out" 100%
* amixer set "DVC In" 100%
*
* You can use Mute
*
* amixer set "DVC Out Mute" on
* amixer set "DVC In Mute" on
*
* You can use Volume Ramp
*
* amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
* amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
* amixer set "DVC Out Ramp" on
* aplay xxx.wav &
* amixer set "DVC Out" 80% // Volume Down
* amixer set "DVC Out" 100% // Volume Up
*/
#include <dt-bindings/gpio/gpio.h>
/ {
model = "Renesas Salvator-X board";
compatible = "renesas,salvator-x";
aliases {
serial0 = &scif2;
serial1 = &scif1;
ethernet0 = &avb;
};
chosen {
bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
stdout-path = "serial0:115200n8";
};
audio_clkout: audio_clkout {
/*
* This is same as <&rcar_sound 0>
* but needed to avoid cs2000/rcar_sound probe dead-lock
*/
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <11289600>;
};
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm1 0 50000>;
brightness-levels = <256 128 64 16 8 4 0>;
default-brightness-level = <6>;
enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
};
reg_1p8v: regulator0 {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
reg_3p3v: regulator1 {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
rsnd_ak4613: sound {
compatible = "simple-audio-card";
simple-audio-card,format = "left_j";
simple-audio-card,bitclock-master = <&sndcpu>;
simple-audio-card,frame-master = <&sndcpu>;
sndcpu: simple-audio-card,cpu {
sound-dai = <&rcar_sound>;
};
sndcodec: simple-audio-card,codec {
sound-dai = <&ak4613>;
};
};
vbus0_usb2: regulator-vbus0-usb2 {
compatible = "regulator-fixed";
regulator-name = "USB20_VBUS0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio6 16 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vcc_sdhi0: regulator-vcc-sdhi0 {
compatible = "regulator-fixed";
regulator-name = "SDHI0 Vcc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vccq_sdhi0: regulator-vccq-sdhi0 {
compatible = "regulator-gpio";
regulator-name = "SDHI0 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
vcc_sdhi3: regulator-vcc-sdhi3 {
compatible = "regulator-fixed";
regulator-name = "SDHI3 Vcc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vccq_sdhi3: regulator-vccq-sdhi3 {
compatible = "regulator-gpio";
regulator-name = "SDHI3 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
vga {
compatible = "vga-connector";
port {
vga_in: endpoint {
remote-endpoint = <&adv7123_out>;
};
};
};
vga-encoder {
compatible = "adi,adv7123";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
adv7123_in: endpoint {
remote-endpoint = <&du_out_rgb>;
};
};
port@1 {
reg = <1>;
adv7123_out: endpoint {
remote-endpoint = <&vga_in>;
};
};
};
};
x12_clk: x12 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24576000>;
};
};
&audio_clk_a {
clock-frequency = <22579200>;
};
&avb {
pinctrl-0 = <&avb_pins>;
pinctrl-names = "default";
renesas,no-ether-link;
phy-handle = <&phy0>;
status = "okay";
phy0: ethernet-phy@0 {
rxc-skew-ps = <1500>;
reg = <0>;
interrupt-parent = <&gpio2>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
};
};
&du {
pinctrl-0 = <&du_pins>;
pinctrl-names = "default";
status = "okay";
ports {
port@0 {
endpoint {
remote-endpoint = <&adv7123_in>;
};
};
port@3 {
lvds_connector: endpoint {
};
};
};
};
&ehci0 {
status = "okay";
};
&ehci1 {
status = "okay";
};
&extal_clk {
clock-frequency = <16666666>;
};
&extalr_clk {
clock-frequency = <32768>;
};
&hsusb {
status = "okay";
};
&i2c2 {
pinctrl-0 = <&i2c2_pins>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <100000>;
ak4613: codec@10 {
compatible = "asahi-kasei,ak4613";
#sound-dai-cells = <0>;
reg = <0x10>;
clocks = <&rcar_sound 3>;
asahi-kasei,in1-single-end;
asahi-kasei,in2-single-end;
asahi-kasei,out1-single-end;
asahi-kasei,out2-single-end;
asahi-kasei,out3-single-end;
asahi-kasei,out4-single-end;
asahi-kasei,out5-single-end;
asahi-kasei,out6-single-end;
};
cs2000: clk_multiplier@4f {
#clock-cells = <0>;
compatible = "cirrus,cs2000-cp";
reg = <0x4f>;
clocks = <&audio_clkout>, <&x12_clk>;
clock-names = "clk_in", "ref_clk";
assigned-clocks = <&cs2000>;
assigned-clock-rates = <24576000>; /* 1/1 divide */
};
};
&i2c4 {
status = "okay";
csa_vdd: adc@7c {
compatible = "maxim,max9611";
reg = <0x7c>;
shunt-resistor-micro-ohms = <5000>;
};
csa_dvfs: adc@7f {
compatible = "maxim,max9611";
reg = <0x7f>;
shunt-resistor-micro-ohms = <5000>;
};
};
&i2c_dvfs {
status = "okay";
};
&ohci0 {
status = "okay";
};
&ohci1 {
status = "okay";
};
&pcie_bus_clk {
clock-frequency = <100000000>;
};
&pciec0 {
status = "okay";
};
&pciec1 {
status = "okay";
};
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
avb_pins: avb {
mux {
groups = "avb_link", "avb_phy_int", "avb_mdc",
"avb_mii";
function = "avb";
};
pins_mdc {
groups = "avb_mdc";
drive-strength = <24>;
};
pins_mii_tx {
pins = "PIN_AVB_TX_CTL", "PIN_AVB_TXC", "PIN_AVB_TD0",
"PIN_AVB_TD1", "PIN_AVB_TD2", "PIN_AVB_TD3";
drive-strength = <12>;
};
};
du_pins: du {
groups = "du_rgb888", "du_sync", "du_oddf", "du_clk_out_0";
function = "du";
};
i2c2_pins: i2c2 {
groups = "i2c2_a";
function = "i2c2";
};
pwm1_pins: pwm {
groups = "pwm1_a";
function = "pwm1";
};
scif1_pins: scif1 {
groups = "scif1_data_a", "scif1_ctrl";
function = "scif1";
};
scif2_pins: scif2 {
groups = "scif2_data_a";
function = "scif2";
};
scif_clk_pins: scif_clk {
groups = "scif_clk_a";
function = "scif_clk";
};
sdhi0_pins: sd0 {
groups = "sdhi0_data4", "sdhi0_ctrl";
function = "sdhi0";
power-source = <3300>;
};
sdhi0_pins_uhs: sd0_uhs {
groups = "sdhi0_data4", "sdhi0_ctrl";
function = "sdhi0";
power-source = <1800>;
};
sdhi2_pins: sd2 {
groups = "sdhi2_data8", "sdhi2_ctrl";
function = "sdhi2";
power-source = <3300>;
};
sdhi2_pins_uhs: sd2_uhs {
groups = "sdhi2_data8", "sdhi2_ctrl";
function = "sdhi2";
power-source = <1800>;
};
sdhi3_pins: sd3 {
groups = "sdhi3_data4", "sdhi3_ctrl";
function = "sdhi3";
power-source = <3300>;
};
sdhi3_pins_uhs: sd3_uhs {
groups = "sdhi3_data4", "sdhi3_ctrl";
function = "sdhi3";
power-source = <1800>;
};
sound_pins: sound {
groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
function = "ssi";
};
sound_clk_pins: sound_clk {
groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
"audio_clkout_a", "audio_clkout3_a";
function = "audio_clk";
};
usb0_pins: usb0 {
groups = "usb0";
function = "usb0";
};
usb1_pins: usb1 {
mux {
groups = "usb1";
function = "usb1";
};
ovc {
pins = "GP_6_27";
bias-pull-up;
};
pwen {
pins = "GP_6_26";
bias-pull-down;
};
};
};
&pwm1 {
pinctrl-0 = <&pwm1_pins>;
pinctrl-names = "default";
status = "okay";
};
&rcar_sound {
pinctrl-0 = <&sound_pins &sound_clk_pins>;
pinctrl-names = "default";
/* Single DAI */
#sound-dai-cells = <0>;
/* audio_clkout0/1/2/3 */
#clock-cells = <1>;
clock-frequency = <11289600>;
status = "okay";
/* update <audio_clk_b> to <cs2000> */
clocks = <&cpg CPG_MOD 1005>,
<&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,
<&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,
<&cpg CPG_MOD 1010>, <&cpg CPG_MOD 1011>,
<&cpg CPG_MOD 1012>, <&cpg CPG_MOD 1013>,
<&cpg CPG_MOD 1014>, <&cpg CPG_MOD 1015>,
<&cpg CPG_MOD 1022>, <&cpg CPG_MOD 1023>,
<&cpg CPG_MOD 1024>, <&cpg CPG_MOD 1025>,
<&cpg CPG_MOD 1026>, <&cpg CPG_MOD 1027>,
<&cpg CPG_MOD 1028>, <&cpg CPG_MOD 1029>,
<&cpg CPG_MOD 1030>, <&cpg CPG_MOD 1031>,
<&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
<&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
<&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
<&audio_clk_a>, <&cs2000>,
<&audio_clk_c>,
<&cpg CPG_CORE CPG_AUDIO_CLK_I>;
rcar_sound,dai {
dai0 {
playback = <&ssi0 &src0 &dvc0>;
capture = <&ssi1 &src1 &dvc1>;
};
};
};
&scif1 {
pinctrl-0 = <&scif1_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
};
&scif2 {
pinctrl-0 = <&scif2_pins>;
pinctrl-names = "default";
status = "okay";
};
&scif_clk {
clock-frequency = <14745600>;
};
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>;
pinctrl-1 = <&sdhi0_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&vcc_sdhi0>;
vqmmc-supply = <&vccq_sdhi0>;
cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
bus-width = <4>;
sd-uhs-sdr50;
status = "okay";
};
&sdhi2 {
/* used for on-board 8bit eMMC */
pinctrl-0 = <&sdhi2_pins>;
pinctrl-1 = <&sdhi2_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&reg_1p8v>;
bus-width = <8>;
mmc-hs200-1_8v;
non-removable;
status = "okay";
};
&sdhi3 {
pinctrl-0 = <&sdhi3_pins>;
pinctrl-1 = <&sdhi3_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&vcc_sdhi3>;
vqmmc-supply = <&vccq_sdhi3>;
cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
bus-width = <4>;
sd-uhs-sdr50;
status = "okay";
};
&ssi1 {
shared-pin;
};
&usb2_phy0 {
pinctrl-0 = <&usb0_pins>;
pinctrl-names = "default";
vbus-supply = <&vbus0_usb2>;
status = "okay";
};
&usb2_phy1 {
pinctrl-0 = <&usb1_pins>;
pinctrl-names = "default";
status = "okay";
};
&wdt0 {
timeout-sec = <60>;
status = "okay";
};
&xhci0 {
status = "okay";
};